CN109482276B

CN109482276B - Prevent that fodder granule from blockking up feed grinder of sieve mesh

Info

Publication number: CN109482276B
Application number: CN201811359886.3A
Authority: CN
Inventors: 李浩东; 李�一; 朱正梅
Original assignee: Fengtai County Ruipu Agricultural Development Co ltd
Current assignee: Fengtai County Ruipu Agricultural Development Co ltd
Priority date: 2018-11-15
Filing date: 2018-11-15
Publication date: 2020-06-16
Anticipated expiration: 2038-11-15
Also published as: CN109482276A

Abstract

The invention discloses a feed grinder capable of preventing feed particles from blocking sieve pores, which comprises supporting legs, a collecting hopper, a discharging pipe, a conveying pipe, an air blowing cavity, a feeding hopper, a shell and side covers, wherein the supporting legs are uniformly welded at the bottom of the shell, the side end faces of the shell are fixedly provided with the side covers through bolts, the air blowing cavity is welded at the centers of the side covers, and the center of the end faces of the air blowing cavity is communicated with the collecting hopper welded at the bottom of the shell through the conveying pipe. According to the invention, the screen cylinder consisting of the inner screen cylinder and the outer screen cylinder which are distributed with the screen hole groups at equal angles is arranged, the aperture of the screen holes is changed by changing the overlapping degree of the screen hole groups, so that feed particles with different particle sizes can be conveniently screened, meanwhile, the problem that the screen holes are blocked by the feed particles is solved, the inclined plate is welded at equal angles on the outer wall of the sleeve, then the inclined plate is connected with the scraper plate, the flow guide ring and the baffle ring are arranged on two sides of the scraper plate, and the crushing efficiency of the feed particles is improved by increasing the area of a collision surface and arranging the baffle.

Description

Prevent that fodder granule from blockking up feed grinder of sieve mesh

Technical Field

The invention relates to the technical field of feed production equipment, in particular to a feed grinder capable of preventing feed particles from blocking sieve pores.

Background

The crushing of the feed raw materials is an important link in feed processing, the large total surface area of raw material particles per unit mass can be increased through crushing, the solubility of feed nutrients in animal digestive juice is increased, and the digestibility of animals is improved; meanwhile, the small granularity of the crushed raw materials has very important influence on the difficulty of subsequent procedures (such as granulation and the like) and the quality of finished products; moreover, the size of the crushing particle size directly affects the production cost, and when the powdery compound feed is produced, the power consumption of the crushing procedure is about 50-70% of the total power consumption. The smaller the ground particle size, the more beneficial the animal digests and absorbs, and the more beneficial the feed grinder granulates, but at the same time the power consumption will increase correspondingly, and vice versa.

The in-process that current feed grinder was used because the sieve mesh on the screen cloth can not be adjusted for the feed particle that the particle diameter is the same with the sieve mesh causes the sieve mesh to block, influences production efficiency, and current feed grinder crushing wheel smashes inefficiency.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a feed grinder capable of preventing feed particles from blocking sieve pores, the sieve cylinder consisting of an inner sieve cylinder and an outer sieve cylinder of a sieve pore group is distributed at equal angles, the sieve pore diameter is changed by changing the overlapping degree of the sieve pore group, the feed particles with different particle sizes are conveniently screened, the problem that the sieve pores are blocked by the feed particles is solved, an inclined plate is welded at equal angles on the outer wall of a sleeve, then the inclined plate is connected with a scraper plate, a flow guide ring and a baffle ring are arranged on two sides of the scraper plate, and the crushing efficiency of the feed particles is improved by increasing the area of a collision surface and the time for arranging the collision surface inside a crushing wheel.

The purpose of the invention can be realized by the following technical scheme:

a feed grinder capable of preventing feed particles from blocking sieve pores comprises supporting legs, a material collecting hopper, a discharging pipe, a conveying pipe, an air blowing cavity, a material feeding hopper, a shell and side covers, wherein the supporting legs are uniformly welded at the bottom of the shell, the side end face of the shell is fixedly provided with the side covers through bolts, the air blowing cavity is welded at the centers of the side covers, the center of the end face of the air blowing cavity is communicated with the material collecting hopper welded at the bottom of the shell through the conveying pipe, the discharging pipe is communicated with the outer wall of the air blowing cavity, the material feeding hopper communicated with the interior of the shell is welded at the upper parts of the outer walls of the side covers, the shell consists of an outer shell and an inner shell, and blanking holes are formed in the positions;

a screen cylinder is rotatably connected between the outer shell and the inner shell, the screen cylinder comprises an inner screen cylinder and an outer screen cylinder sleeved outside the inner screen cylinder, six sets of screen mesh groups with different inner diameters are distributed on the outer walls of the inner screen cylinder and the outer screen cylinder at equal angles, a limiting groove is formed between every two adjacent screen mesh groups on the outer wall of the outer screen cylinder, and a limiting block is welded at the position, corresponding to the limiting groove, of the outer wall of the inner screen cylinder;

the outer wall of the outer shell is welded with a rotating seat, the interior of the rotating seat is rotatably connected with a poking rod, the poking rod comprises a round rod rotatably connected with the rotating seat, first poking wheels are welded at two ends of the round rod, the outer wall of the round rod, which is close to the inner side of the first poking wheels, is rotatably connected with second poking wheels, and the first poking wheels and the second poking wheels are in friction transmission with stripes printed on two sides of the outer wall of the inner screen cylinder and the outer screen cylinder respectively;

the center of the back of the outer shell is movably connected with a transmission rod through a bearing, the transmission rod extends into the air blowing cavity and is clamped with a fan wheel in the air blowing cavity, a motor is fixed on the upper part of a flat plate between the supporting legs, a second belt wheel is clamped and fixed on the outer wall of a motor shaft of the motor, and the second belt wheel is clamped and fixed with a first belt wheel through a belt and the end part of the transmission rod for transmission connection;

the utility model discloses a drainage device, including casing, drive rod, drive.

As a further scheme of the invention: the end face of the inclined plate and the end face of the baffle ring form an included angle of 30 degrees.

As a further scheme of the invention: five inclined plates are arranged in each group of inclined plates at equal intervals.

As a further scheme of the invention: the inner screen drum and the outer screen drum are in transition fit, and screen holes in the screen hole groups at the same positions of the inner screen drum and the outer screen drum correspond to each other one by one.

As a further scheme of the invention: the shell and the screen drum are in excessive fit.

As a further scheme of the invention: the concrete using and operating steps of the feed grinder are as follows:

the method comprises the following steps: adjusting the aperture of a blanking hole according to the particle size to be crushed, rotating a first toggle wheel, driving a screen drum to rotate through the friction of stripes between the first toggle wheel and the outer wall of an inner screen drum, and then rotating a second toggle wheel to finely adjust the aperture;

step two: the motor is started, the grinding wheel and the fan wheel in the blast cavity are driven to rotate through the belt, then grains to be ground are thrown into the shell through the feeding hopper, the grains entering the shell can collide and ground with the grinding wheel rotating at a high speed, the grains firstly collide with the inclined plate in the collision process, the collision probability is increased due to the obstruction of the baffle rings on the two sides, the ground grains can fall to the bottom of the inner shell, the grains meeting the grain size fall from the holes of the screen cylinder, the grains not meeting the size can be scraped by the scraper, then the grains fall from the gap of the inclined plate under the guiding action of the drainage ring along the scraper, and the grains continue to be ground until the grain size meets the requirements;

step three: the particles falling into the collecting hopper are sucked in through the material conveying pipe and discharged from the material discharging pipe under the negative pressure generated by the fan wheel in the blowing cavity;

step four: after the crushing is finished, the motor is turned off, and the second poking wheel is poked to enlarge the overlapping aperture of the sieve pores of the sieve cylinder, so that the particles blocked in the sieve pores are discharged.

The invention has the beneficial effects that:

1. the sieve hole groups with the same aperture are arranged at the same position of the inner sieve cylinder and the outer sieve cylinder, the overlapping degree of the inner sieve cylinder and the outer sieve cylinder is changed by shifting the first toggle wheel or the second toggle wheel to change the aperture of the sieve holes, so that the particles with different particle sizes can be conveniently filtered, the sieve holes are prevented from being blocked by the particles, the operation mode is simple, convenient and quick, and the problem that the sieve holes are blocked by feed particles is effectively solved;

2. crushing wheel is connected with the scraper blade through the swash plate that waits the angle setting by the sleeve pipe, and the drainage ring is installed in the embedding of scraper blade both ends, and the both ends welding baffle of scraper blade, like this when crushing wheel smashes grain, copy grain repeatedly through the scraper blade and introduce crushing round inside through drainage ring and scraper blade and smash, and the extension is arranged in and is smashed round inside long to and increase area of contact through the swash plate, increase collision probability, thereby improve crushing efficiency.

Drawings

The invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the back structure of the feed grinder of the present invention.

Fig. 3 is a schematic structural view of the housing of the present invention.

Fig. 4 is a schematic structural view of the tap lever of the present invention.

Figure 5 is a schematic diagram of an exploded structure of a screen cylinder according to the present invention.

FIG. 6 is a schematic view of the crushing wheel according to the present invention.

In the figure: 1. supporting legs; 2. a collection hopper; 3. a discharge pipe; 4. a delivery pipe; 5. a blowing cavity; 6. a feeding hopper; 7. a housing; 8. a poke rod; 9. a side cover; 10. a first pulley; 11. a transmission rod; 12. a second pulley; 13. a motor; 14. an outer housing; 15. a rotating seat; 16. a blanking hole; 17. an inner housing; 18. a first toggle wheel; 19. a second toggle wheel; 20. a round bar; 21. an inner screen cylinder; 22. a screen cylinder; 23. stripes; 24. an outer screen cylinder; 25. a limiting groove; 26. a set of screen holes; 27. a limiting block; 28. a sloping plate; 29. a grinding wheel; 30. a squeegee; 31. a drainage ring; 32. a baffle ring; 33. a discharge port; 34. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a feed grinder for preventing feed particles from blocking sieve pores comprises support legs 1, a collecting hopper 2, a discharge pipe 3, a feed delivery pipe 4, an air blowing cavity 5, a feeding hopper 6, a shell 7 and a side cover 9, wherein the support legs 1 are uniformly welded at the bottom of the shell 7, the side end surface of the shell 7 is fixed with the side cover 9 through bolts, the air blowing cavity 5 is welded at the center of the side cover 9, the end surface center of the air blowing cavity 5 is communicated with the collecting hopper 2 welded at the bottom of the shell 7 through the feed delivery pipe 4, the discharge pipe 3 is communicated with the outer wall of the air blowing cavity 5, the feeding hopper 6 communicated with the inside of the shell 7 is welded at the upper part of the outer wall of the side cover 9, the shell 7 consists of an outer shell 14 and an inner shell 17, blanking holes 16 are formed at the positions, corresponding to the collecting hopper 2, of the bottoms, the screen cylinder 22 comprises an inner screen cylinder 21 and an outer screen cylinder 24 sleeved outside the inner screen cylinder 21, six sets of screen hole groups 26 with different inner diameters are distributed on the outer walls of the inner screen cylinder 21 and the outer screen cylinder 24 at equal angles, a limiting groove 25 is formed between every two adjacent screen hole groups 26 on the outer wall of the outer screen cylinder 24, a limiting block 27 is welded on the position, corresponding to the limiting groove 25, of the outer wall of the inner screen cylinder 21, a rotating seat 15 is welded on the outer wall of the outer shell 14, a poking rod 8 is rotatably connected inside the rotating seat 15, the poking rod 8 comprises a round rod 20 rotatably connected with the rotating seat 15, first poking wheels 18 are welded at the two ends of the round rod 20, a second poking wheel 19 is rotatably connected on the outer wall of the round rod 20 close to the inner side of the first poking wheel 18, the first poking wheel 18 and the second poking wheel 19 respectively rub with stripes 23 printed on the two sides of the outer walls of the inner screen cylinder 21 and the outer screen cylinder 24 to drive, the transmission rod 11 extends to the inside of the air blowing cavity 5 and is clamped with an inner fan wheel, a motor 13 is fixed to the upper portion of a flat plate between the supporting legs 1, a second belt wheel 12 is fixed to the outer wall of a motor shaft of the motor 13 in a clamped mode, the second belt wheel 12 is fixed to a first belt wheel 10 in a transmission mode through a belt and the end portion of the transmission rod 11 in a clamped mode, a crushing wheel 29 is fixed to the outer wall of the transmission rod 11 located inside the inner shell 17 in a clamped mode, the crushing wheel 29 comprises a sleeve 34, five groups of inclined plates 28 are welded to the outer wall of the sleeve 34 at equal angles, scraping plates 30 are welded to the end portions of the five groups of inclined plates 28, diversion rings 31 are installed on the inner walls of the two ends of the scraping plates 30 in an embedded mode, blocking rings 32 connected with the diversion rings.

The terminal surface of swash plate 28 and the terminal surface contained angle of fender ring 32 are 30, and the inside equidistance of every swash plate 28 is provided with five swash plates 28, and transition fit between interior sieve section of thick bamboo 21 and the outer sieve section of thick bamboo 24, and the sieve mesh one-to-one in the sieve mesh group 26 of interior sieve section of thick bamboo 21 and the outer sieve section of thick bamboo 24 same position belongs to transition fit between casing 7 and the sieve section of thick bamboo 22.

The stopper 27 is located the inside of spacing groove 25, when interior barrel 21 takes place to rotate, drives the scraping with spacing groove 25 through stopper 27 to drive outer barrel 24 and together remove, thereby make interior barrel 21 and the same sieve mesh group 26 of outer barrel 24 can correspond.

The working principle is as follows: when the grain grinder is used, the aperture of the blanking hole 16 is adjusted according to the size of the grain diameter to be ground, the first toggle wheel 18 is rotated, the screen cylinder 22 is driven to rotate through the friction between the first toggle wheel 18 and the stripes 23 on the outer wall of the inner screen cylinder 21, the second toggle wheel 19 is rotated to finely adjust the aperture, the motor 13 is started, the grinding wheel 29 and the fan wheel in the air blowing cavity 5 are driven to rotate through the belt, then the grain to be ground is thrown into the shell 7 through the feeding hopper 6, the grain entering into the shell 7 can collide and break with the grinding wheel 29 rotating at high speed, in the collision process, the grain firstly collides with the inclined plate 28, the collision probability is increased due to the obstruction of the baffle rings 32 on the two sides, then the ground grain can fall to the bottom of the inner shell 17, the grains conforming to the size of the grain diameter fall from the aperture of the screen cylinder 22, the grains not conforming to the size can be scraped by the, then, the particles fall from the gap of the inclined plate 28 along the scraper 30 under the guiding action of the drainage ring 31, and are continuously crushed until the particle size of the particles meets the requirement, then the particles falling into the collecting hopper 2 are sucked in through the material conveying pipe 4 under the negative pressure generated by the fan wheel in the blowing cavity 5 and are discharged from the material discharging pipe 3, and finally, after the crushing is finished, the motor 13 is turned off, and the second poking wheel 19 is poked to enlarge the overlapping aperture of the sieve holes of the sieve cylinder 22, so that the particles blocked in the sieve holes are discharged.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The utility model provides a prevent feed grinder of fodder granule jam sieve mesh, includes supporting leg (1), collecting hopper (2), discharging pipe (3), conveying pipeline (4), air blast chamber (5), magazine (6), casing (7) and side cap (9), the bottom of casing (7) has evenly welded supporting leg (1), the side end face of casing (7) has side cap (9) through the bolt fastening, the center welding of side cap (9) has air blast chamber (5), the terminal surface center of air blast chamber (5) passes through conveying pipeline (4) and welds the collecting hopper (2) intercommunication in casing (7) bottom, the outer wall intercommunication of air blast chamber (5) has discharging pipe (3), the outer wall upper portion welding of side cap (9) has hopper (6) with the inside intercommunication of casing (7), its characterized in that, casing (7) comprise shell body (14) and interior casing (17), blanking holes (16) are formed at the positions of the bottoms of the outer shell (14) and the inner shell (17) corresponding to the material collecting hopper (2);

a screen cylinder (22) is rotatably connected between the outer shell (14) and the inner shell (17), the screen cylinder (22) comprises an inner screen cylinder (21) and an outer screen cylinder (24) sleeved outside the inner screen cylinder (21), six groups of screen hole groups (26) with different inner diameters are distributed on the outer walls of the inner screen cylinder (21) and the outer screen cylinder (24) at equal angles, a limiting groove (25) is formed between every two adjacent screen hole groups (26) on the outer wall of the outer screen cylinder (24), and a limiting block (27) is welded at the position, corresponding to the limiting groove (25), of the outer wall of the inner screen cylinder (21);

the outer wall welding of shell body (14) has and rotates seat (15), the inside rotation that rotates seat (15) is connected with poker rod (8), poker rod (8) include with rotate seat (15) rotate round bar (20) of being connected, the both ends welding of round bar (20) has first thumb wheel (18), the outer wall that round bar (20) is close to first thumb wheel (18) inboard rotates and is connected with second thumb wheel (19), first thumb wheel (18) and second thumb wheel (19) respectively with the friction drive of the stripe (23) of the both sides seal of inner screen cylinder (21) and outer screen cylinder (24) outer wall;

the center of the back of the outer shell (14) is movably connected with a transmission rod (11) through a bearing, the transmission rod (11) extends into the air blowing cavity (5) and is clamped with a fan wheel in the air blowing cavity, a motor (13) is fixed on the upper portion of a flat plate between the supporting legs (1), a second belt wheel (12) is fixed on the outer wall of a motor shaft of the motor (13) in a clamping mode, and the second belt wheel (12) is fixedly connected with a first belt wheel (10) in a transmission mode through a belt and the end portion of the transmission rod (11) in a clamping mode;

the outer wall joint that transfer line (11) is located interior casing (17) inside is fixed with crushing wheel (29), crushing wheel (29) is including sleeve pipe (34), the outer wall of sleeve pipe (34) is equiangular welding has five swash plates (28), scraper blade (30) have all been welded to the tip of five swash plates (28), drainage ring (31) are installed in the equal embedding in both ends inner wall of scraper blade (30), the both ends welding of scraper blade (30) has fender ring (32) of being connected with drainage ring (31), just it has seted up discharge gate (33) to keep off ring (32) and is located scraper blade (30) position department.

2. A feed grinder for preventing feed particles from blocking screen holes according to claim 1, characterized in that the angle between the end surface of the inclined plate (28) and the end surface of the retainer ring (32) is 30 °.

3. A feed grinder for preventing feed particles from clogging sieve holes, as claimed in claim 1, characterized in that five inclined plates (28) are arranged equidistantly inside each set of inclined plates (28).

4. A feed grinder for preventing feed particles from blocking screen holes according to claim 1, characterized in that the inner screen drum (21) and the outer screen drum (24) are in transition fit, and the screen holes in the screen hole group (26) at the same position of the inner screen drum (21) and the outer screen drum (24) are in one-to-one correspondence.

5. A feed grinder for preventing feed particles from clogging the screen openings in accordance with claim 1, characterised in that the housing (7) and the screen drum (22) are of a transition fit.

6. The use method of the feed grinder for preventing feed particles from blocking the sieve pores according to claim 1 is characterized in that the feed grinder is used by the following specific operation steps:

the method comprises the following steps: according to the particle size needing to be crushed, the aperture of the blanking hole (16) is adjusted, the first toggle wheel (18) is rotated, the screen cylinder (22) is driven to rotate by the friction of the first toggle wheel (18) and stripes (23) on the outer wall of the inner screen cylinder (21), and then the second toggle wheel (19) is rotated to finely adjust the aperture;

step two: the motor (13) is started, the grinding wheel (29) and the fan wheel in the air blowing cavity (5) are driven to rotate through the belt, then grains to be ground are thrown into the shell (7) through the feeding hopper (6), the grains entering the shell (7) can collide with the grinding wheel (29) rotating at a high speed for grinding, the grains firstly collide with the inclined plate (28) in the collision process, the collision probability is increased due to the obstruction of the baffle rings (32) on the two sides, then the ground grains can fall to the bottom of the inner shell (17), the grains meeting the grain size fall from the holes of the screen cylinder (22), the grains not meeting the size are scraped by the scraper (30), then the grains not meeting the size fall from the gap of the inclined plate (28) under the guiding effect of the drainage ring (31) along the scraper (30), and the grinding is continued until the grain size meets the requirement;

step three: the particles falling into the collecting hopper (2) are sucked in through the material conveying pipe (4) under the action of negative pressure generated by a fan wheel in the blast cavity (5) and are discharged from the material discharging pipe (3);

step four: after the crushing is finished, the motor (13) is turned off, and the second poking wheel (19) is poked to enlarge the overlapping aperture of the sieve pores of the sieve cylinder (22), so that the particles blocked in the sieve pores are discharged.